Cppcheck report - LibreOffice 2020-06-13 19:58:00 41c465b5ee443ec04441077b5eb80f263336ea8a, CppCheck 2020-06-13 18:19:47 6d5d12f283cf568d2dfe09aa77cb41f34b322d62: ucb/source/ucp/gio/gio_mount.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <utility>

#include "gio_mount.hxx"
#include <ucbhelper/simpleauthenticationrequest.hxx>
#include <string.h>

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#if defined __clang__
#if __has_warning("-Wdeprecated-volatile")
#pragma clang diagnostic ignored "-Wdeprecated-volatile"
#endif
#endif
#endif
G_DEFINE_TYPE (OOoMountOperation, ooo_mount_operation, G_TYPE_MOUNT_OPERATION);
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif

static void ooo_mount_operation_ask_password (GMountOperation   *op,
    const char *message, const char *default_user, const char *default_domain,
    GAskPasswordFlags flags);

static void ooo_mount_operation_init (OOoMountOperation *op)<--- The function 'ooo_mount_operation_init' is never used.
{
    op->m_pPrevPassword = nullptr;
    op->m_pPrevUsername = nullptr;
}

static void ooo_mount_operation_finalize (GObject *object)
{
    OOoMountOperation *mount_op = OOO_MOUNT_OPERATION (object);
    if (mount_op->m_pPrevUsername)
        free(mount_op->m_pPrevUsername);
    if (mount_op->m_pPrevPassword)
        free(mount_op->m_pPrevPassword);
    mount_op->context.reset();

    G_OBJECT_CLASS (ooo_mount_operation_parent_class)->finalize (object);
}

static void ooo_mount_operation_class_init (OOoMountOperationClass *klass)<--- The function 'ooo_mount_operation_class_init' is never used.
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    object_class->finalize = ooo_mount_operation_finalize;

    GMountOperationClass *mount_op_class = G_MOUNT_OPERATION_CLASS (klass);
    mount_op_class->ask_password = ooo_mount_operation_ask_password;
}

namespace {

// Temporarily undo the g_main_context_push_thread_default done in the surrounding MountOperation
// ctor (in ucb/source/ucp/gio/gio_content.cxx):
struct GlibThreadDefaultMainContextScope {
public:
    GlibThreadDefaultMainContextScope(GMainContext * context): context_(context)
<--- Struct 'GlibThreadDefaultMainContextScope' has a constructor with 1 argument that is not explicit. [+]
Struct 'GlibThreadDefaultMainContextScope' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
    { g_main_context_push_thread_default(context_); }

    ~GlibThreadDefaultMainContextScope() { g_main_context_pop_thread_default(context_); }

private:
    GMainContext * context_;
};

}

static void ooo_mount_operation_ask_password (GMountOperation *op,
    const char * /*message*/, const char *default_user,
    const char *default_domain, GAskPasswordFlags flags)
{
    css::uno::Reference< css::task::XInteractionHandler > xIH;

    OOoMountOperation *pThis = reinterpret_cast<OOoMountOperation*>(op);
    GlibThreadDefaultMainContextScope scope(pThis->context.get());

    const css::uno::Reference< css::ucb::XCommandEnvironment > &xEnv = *(pThis->pEnv);

    if (xEnv.is())
      xIH = xEnv->getInteractionHandler();

    if (!xIH.is())
    {
        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
        return;
    }

    OUString aDomain, aUserName, aPassword;

    ucbhelper::SimpleAuthenticationRequest::EntityType eUserName =
        (flags & G_ASK_PASSWORD_NEED_USERNAME)
          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;

    if (default_user)
        aUserName = OUString(default_user, strlen(default_user), RTL_TEXTENCODING_UTF8);

    ucbhelper::SimpleAuthenticationRequest::EntityType ePassword =
        (flags & G_ASK_PASSWORD_NEED_PASSWORD)
          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;

    OUString aPrevPassword, aPrevUsername;
    if (pThis->m_pPrevUsername)
        aPrevUsername = OUString(pThis->m_pPrevUsername, strlen(pThis->m_pPrevUsername), RTL_TEXTENCODING_UTF8);
    if (pThis->m_pPrevPassword)
        aPrevPassword = OUString(pThis->m_pPrevPassword, strlen(pThis->m_pPrevPassword), RTL_TEXTENCODING_UTF8);

    //The damn dialog is stupidly broken, so do like webdav, i.e. "#102871#"
    if ( aUserName.isEmpty() )
        aUserName = aPrevUsername;

    if ( aPassword.isEmpty() )
        aPassword = aPrevPassword;

    ucbhelper::SimpleAuthenticationRequest::EntityType eDomain =
        (flags & G_ASK_PASSWORD_NEED_DOMAIN)
          ? ucbhelper::SimpleAuthenticationRequest::ENTITY_MODIFY
          : ucbhelper::SimpleAuthenticationRequest::ENTITY_NA;

    if (default_domain)
        aDomain = OUString(default_domain, strlen(default_domain), RTL_TEXTENCODING_UTF8);

    rtl::Reference< ucbhelper::SimpleAuthenticationRequest > xRequest
        = new ucbhelper::SimpleAuthenticationRequest (OUString() /* FIXME: provide URL here */, OUString(), eDomain, aDomain, eUserName, aUserName, ePassword, aPassword);

    xIH->handle( xRequest.get() );

    rtl::Reference< ucbhelper::InteractionContinuation > xSelection = xRequest->getSelection();

    if ( !xSelection.is() )
    {
        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
        return;
    }

    css::uno::Reference< css::task::XInteractionAbort > xAbort(xSelection.get(), css::uno::UNO_QUERY );
    if ( xAbort.is() )
    {
        g_mount_operation_reply (op, G_MOUNT_OPERATION_ABORTED);
        return;
    }

    const rtl::Reference< ucbhelper::InteractionSupplyAuthentication > & xSupp = xRequest->getAuthenticationSupplier();
    aUserName = xSupp->getUserName();
    aPassword = xSupp->getPassword();

    if (flags & G_ASK_PASSWORD_NEED_USERNAME)
        g_mount_operation_set_username(op, OUStringToOString(aUserName, RTL_TEXTENCODING_UTF8).getStr());

    if (flags & G_ASK_PASSWORD_NEED_PASSWORD)
        g_mount_operation_set_password(op, OUStringToOString(aPassword, RTL_TEXTENCODING_UTF8).getStr());

    if (flags & G_ASK_PASSWORD_NEED_DOMAIN)
        g_mount_operation_set_domain(op, OUStringToOString(xSupp->getRealm(), RTL_TEXTENCODING_UTF8).getStr());

    switch (xSupp->getRememberPasswordMode())
    {
    default:
        case css::ucb::RememberAuthentication_NO:
            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_NEVER);
            break;
        case css::ucb::RememberAuthentication_SESSION:
            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_FOR_SESSION);
            break;
        case css::ucb::RememberAuthentication_PERSISTENT:
            g_mount_operation_set_password_save(op, G_PASSWORD_SAVE_PERMANENTLY);
            break;
    }

    if (pThis->m_pPrevPassword)
        free(pThis->m_pPrevPassword);
    pThis->m_pPrevPassword = strdup(OUStringToOString(aPassword, RTL_TEXTENCODING_UTF8).getStr());
    if (pThis->m_pPrevUsername)
        free(pThis->m_pPrevUsername);
    pThis->m_pPrevUsername = strdup(OUStringToOString(aUserName, RTL_TEXTENCODING_UTF8).getStr());
    g_mount_operation_reply (op, G_MOUNT_OPERATION_HANDLED);
}

GMountOperation *ooo_mount_operation_new(ucb::ucp::gio::glib::MainContextRef && context, const css::uno::Reference< css::ucb::XCommandEnvironment >& rEnv)
{
    OOoMountOperation *pRet = static_cast<OOoMountOperation*>(g_object_new (OOO_TYPE_MOUNT_OPERATION, nullptr));
    pRet->context = std::move(context);
    pRet->pEnv = &rEnv;
    return &pRet->parent_instance;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */